From d7f2c5dfd95bf495959a5f15c5b70326e41f2886 Mon Sep 17 00:00:00 2001
From: Victor Lyuboslavsky <2685025+getvictor@users.noreply.github.com>
Date: Mon, 23 Feb 2026 14:26:36 -0600
Subject: [PATCH] Add Windows OS coverage check (#40231)

---
 handbook/engineering/README.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/handbook/engineering/README.md b/handbook/engineering/README.md
index 2d92b3548d..f694644961 100644
--- a/handbook/engineering/README.md
+++ b/handbook/engineering/README.md
@@ -239,7 +239,13 @@ Our goal is to keep these dependencies up-to-date with each release of Fleet. If
 
 If an announcement is found for either data source that may impact data feed availability, notify the current [on-call engineer](https://fleetdm.com/handbook/engineering#business-hours-oncall-engineer). Notify them that it is their responsibility to investigate and file a bug or take further action as necessary. 
 
-5. [Fleetd](https://fleetdm.com/docs/get-started/anatomy#fleetd) components
+5. Vulnerability OS coverage
+- Check whether any new major operating system versions have been released since the last check.
+- **Windows**: Verify that new Windows Server and Windows desktop versions are included in the [MSRC product mapping](https://github.com/fleetdm/fleet/blob/main/server/vulnerabilities/msrc/parsed/product.go).
+
+If a new OS version is missing, [file a bug](https://github.com/fleetdm/fleet/issues/new?assignees=&labels=bug%2C%3Areproduce&projects=&template=bug-report.md&title=).
+
+6. [Fleetd](https://fleetdm.com/docs/get-started/anatomy#fleetd) components
 - Check for code changes to [Orbit](https://github.com/fleetdm/fleet/blob/main/orbit/) or [Desktop](https://github.com/fleetdm/fleet/tree/main/orbit/cmd/desktop) since the last `orbit-*` tag was published.
 - Check for code changes to the [fleetd-chrome extension](https://github.com/fleetdm/fleet/tree/main/ee/fleetd-chrome) since the last `fleetd-chrome-*` tag was published.